general improvements

diff --git a/templates/Makefile b/templates/Makefile
index 408f0137a8342414eedba3a02372ea1ad6050117..d22a71a3999b3dc0e99f5e36053447b33f967bd7 100644 (file)
--- a/templates/Makefile
+++ b/templates/Makefile
@@ -11,6 +11,16 @@ prefix ?= $(HOME)
 template_instdir ?= $(prefix)/share/git-core/templates
 # DESTDIR=
 
+ifndef SHELL_PATH
+       SHELL_PATH = /bin/sh
+endif
+ifndef PERL_PATH
+       PERL_PATH = perl
+endif
+
+SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
+PERL_PATH_SQ = $(subst ','\'',$(PERL_PATH))
+
 # Shell quote (do not use $(call) to accommodate ancient setups);
 DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
 template_instdir_SQ = $(subst ','\'',$(template_instdir))
@@ -33,8 +43,11 @@ boilerplates.made : $(bpsrc)
                case "$$boilerplate" in \
                *--) continue;; \
                esac && \
-               cp $$boilerplate blt/$$dst && \
-               if test -x "blt/$$dst"; then rx=rx; else rx=r; fi && \
+               sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
+                   -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
+                   -e 's|@PERL_PATH@|$(PERL_PATH_SQ)|g' $$boilerplate > \
+                       blt/$$dst && \
+               if test -x "$$boilerplate"; then rx=rx; else rx=r; fi && \
                chmod a+$$rx "blt/$$dst" || exit; \
        done && \
        date >$@